二年级下册数学口算能力快速提升训练∣全国通用
岁月缝花-肺炎的早期症状
(1) 
13+70=    20-13=    28+13=
43+9=     16-9= 
86-19=     58+15=     83+12=
47+12=     35+46= 
45-7=     72-54=      73-51=
14+27=     91-12= 
44-16=   
88-19=
4+50=  
70-22=   
61+2=    
68-39=
18+23=   
5×6=         5
9×6=
9
3×6=         6
8×1=         8
20-11=
17+54=   
49+14=   
9+45=    
74+12=
16-8=   
42+50=   
76-67=   
90-14=
 15+28=   
20-6=    
  80-12= 
11+49=  
×7=         5
×7=         7
×5=
3
×2=         4
 14-6=   
 42+13=
63-29=   
4+30=     
 5+8=   
 11+29=
 78-19=    
 62+19=   
42+30=  
5+14=   
59+13=    
  20-8=   
  85+10=
×8=         5
×2=         9
×7=
3
×3=         8
 49-11=  
 14+67=
(2) 
 73+10=   
97-68=    
25+14=
 20-6=    
第 1 页 
53+17=   
59-19=
60-6=    
 66-39=   
12+73=   
19-6=  
  16-7=   
×9=        8
×8=
9
×8=        3
×3=        8
 19-4=   
12+45=   
 46+5=    
 28+6=    
16-6=
 5+13=   
 48+22= 
 67+10= 
70-13=
 11+62= 
 74-15= 
  1+18= 
 99-66=
×7=  
×9= 
×9= 
×4= 
 20-9= 
24+18= 
 29+12= 
 20-13= 
84+9= 
51-15= 
    
    
  
    
    
    
    
    
    
    
  
12+78=    14-7=     18-3=     20-12=
80-12= 
20-8=     19-6=     10+18=     18+19=
100-1= 
11+4=     5+10=     96-49=     20-11=
77-68= 
14-5=     99-90=    49-43=     20-13=
54-16= 
11+17= 
97-19= 
5×6=
3
4×6=       7
6×5=       7
6×1=
7
69+12=      56
98-44=   
6+12=
65-57=  
58+13=  
39-13=  
15+66=
15+27=  
12-5=   
36+47=  
10+59=
  24-15=  
  27+28=   
×7=
5
×7=         2
×5=         8
×2=
9
-27=       13
51-12=     
  14-5=  
25-8=   
  36-18=   
  10+21=  
  9+28=
  20+14=   
 22-16=    
   58-19=  
12-3=    
 34—6=   
 24+7=   
×8=
2
×8=         5
×7=         9
×3=
6
+49=     89
13+29=    
(3) 
16-5=
 10+37=  
 73-5=   
  30-7=   
11+6=  
 29+19=  
18+58=   
 8+36=
100-8=    
第 2 页 
 12+4=    
  19-8=
×9=        9
×4=        6
×7=
5
×4=       7
+2=      38-19= 
68+24=
 6+14=    
 33-8=    
 100-34=   
78+4=    
 6+12=    
   16-7=   
 77-19=
  6+27=    
 73-17=    
 4+10= 
40-5= 
×9= 
×9= 
×3= 
×7=
78-19= 
12-5= 
15+27= 
 30+9= 
39+6= 
49+12= 
 55-8= 
 18+3= 
 15-8=
23+67= 
   
    
    
    
    
     
     
    
     
    
17+27=     100-18=    71+14=
11+89=     45+16= 
3×6=         5×7=
5×9=        2×6=         8×3=  
2×4=
9×7=         5×2=         5×8=         4×9=
5×6=         4×5=         6×7=         6×8=
7×9= 
5×5=         3
92-17=    
19+12=
100-30=  
12+7=    
6+12=    
9+90=
8+8=     
6+12=    
8+3=     
70-1=
9+11=   
19-12=  
5×6=       3
4×6=
7
2×5=       7
9×1=       4
×2=
4
20-12=    
5+48=    
 19-1=    
8+4=    
4+12=    
 16-7=   
 12-2=
 10+5=   
73-40=   
1+39=    
 20-2=
 10+4=   
×7=         5
×7=
2
×5=         8
×2=         9
×4=
5
8+63=    
49+14=   
(4) 
10+51=
 9+8=   
5+2=    
 12-5=  
26+4=
 12-3=  
 3+11=  
11+9=   
 8+6=
 4+14=  
×8=         4
×8=
5
×6=         9
×3=         6
第 3 页
×3=        1
 100-15=   
 85-9=     
13-3=    
  11+6=    
20+14=     
  2+16=
  18-10=  
  10+8=    
  17+2=    
4+16=     
  10+10=  
  1+9=    
×9=
9
×4=        6
×7=       5
×4=
7
×4= 
68+15= 
58-39= 
88+12=
13-6= 
17+10= 
16+3= 
 8+3= 
13-3=
17+2= 
7-10= 
 8+5= 
 5+3= 
×9=
×4= 
×3= 
×7=    
    
1   
    
  1 
    
   
    
   1
    
    
70-17=
14+29=     86-69=     15+47=     16-8= 
16+18=
51-28=     37+36=      84-19=      100-38= 
(5)
49+14=    12-5=     11+12=     33+17=
18+73= 
17-10=   
45+19=   
11+9=
77+11=   
32-16=     71-23=
43
57+14=   
17+67=   
57+11=
36+19=      47
2×2=     
8×4=
1×7=            5
6×1=     
35-19=
29+16=      71
27+14=   
18+13=
58+12=   
39+17=   
58-19=  
  91-65=
 29+15=  
 91-67=  
12-6=     
+14=
16
 5×9=   
 4×9=   
×5=           4
2×2=    
13+69=   
-15=     61
29+18=
 40-14=   
 17+29=  
20-12=   
12+49=  
   17-8=  
+29=      100-37=
38
  80-4=   
  9+22=   
67-38=
+47=      32
  2×4=   
  2×1=   
×8=
3
  5×9=    
 71-45=   
-33=
49
(6) 
84+8=    
57+8=    
第 4 页 
15-7=    
 17-9=     
  20-12=   
48-29=   
 12+88=    
  10+60=   
28+65=
+29=      87
  3×9=    
  5×3=
×8=           9
  2×4=    
80-11=
+14=      35
 81-18=    
 37+26=
9+18= 
32-15= 
 65-9= 
 20-7=
+14= 
 14-7= 
18+27= 
20-12= 
-8=
 9×8=  
 4×6=   
×4=       
  3×9=
49+21= 
-17= 
13+29= 
29+18= 
   
    
    
   
    
    
   
    
     
     
18-6=      14+37=      81-16=
49+24=      82-25= 
16-7=      21-13=
11+29=     51-23=     62-35= 
73+19=     67+25=
13+47=     61-15=     15+49= 
100-2=     58-19=
23-5=     39+48=      9+15= 
36+8=
20-13=     
42-15=   
34-19=
48
9×1=             6
5×3=
4
5×4=             5
5×6=   
3
4-7=
66-27=    
12-5=    
12+3=    
45+17=
12+27=   
17+36=   
18-4=    
11+4=
 15+4=   
14+27=     
 58+13=  
+25=
49
×3=            8
×6=            3
×7=
2
 7×4=  
53-15=    
9+15=    
5+11=
5+37=    
20-9=    
00-37=  
 20-8=
48+10=   
15+26=   
 90+10=   
63-16=    
  57+16=  
+35=        88
×4=
4
×7=          2
×6=          3
  9×5=
53-28=    
   80-26=  
(7) 
 19-8=
 19-14=   
59-24=    
20-13=   
16-8=    
 13+37=   
 19+14=   
第 5 页
 25+18=  
  81-47=    
  62-13=
+12=       25
×9=          2
×5=
1
×3=          4
  6×4=  
 12+59=   
78-19=    9
12+69=   
 12+34=   
59+25=
52-37=    
12+45=   
 57-28=  
20-14=  
  23-5= 
 60-11= 
  55-17=
+18= 
×1=        
×8=   
×4=
 1×5=       
 27+16= 
1-24= 
  16-7=
 17-11= 
 19+15= 
74+17= 
 16+18=
  19-6= 
  80-8= 
    
    
    
 2  
    
    
     
1
    
    
    
14+67=
15+29=     55+10=     5+65=      12-5= 
91-2=
47-8=      14+2=     57+13=     35+6= 
56-13=
44-18=     54-15=       41-34=      88+12=
2×5=           1×8=            5×4=
5×7=           2×6=     
4×4=           5×6=
7×4=            9×5=           6×4=     
2×8=
7
1×4=           2
65+8=   
52+35=
24+5=   
59+11=  
15+36=  
20-9=
12+8=   
12+29=  
19+16=  
18-4=
11+49=  
54-16=   
4×7=
3
3×7=          1
9×3=          2
7×5=
1
×3=            1
×3=
5
74-37=   
76-29=   
19+11=   
13-8=
 19-4=   
 37-16=  
19+12=   
100-3= 
  40-18=  
 38+15= 
  10+72= 
45-27=  
×3=            7
×5=
4
×7=             1
×7=             5
×3=
3
×7=            9
81-19=   
5+49=
(8) 
 14+34=   
 22-6=    
 12+38=
  16-7=   
17-8=     
   20-13= 
86-18=  
   23+7= 
   19+14= 
  5+10=
×5=           6
×5=           4
×1=
5
×5=           4
第 6 页 
×4=
3
×2=           3
 13+59=   
27+57=
 17-14=   
 51-19=    
  43-15=    
59-28=   
37+36=    
  12+72=   
  12+47=
  17-8=   
   20-4=   
 95+5=
×1=           6
×7=           8
×8=
8
×8=           3
×6=     
×5=     
73-58= 
70-36= 
20-14= 
15+47= 
63+13=
17-14= 
14+48= 
 57+10= 
 19+18= 
19-6= 
 30-17= 
32-15= 
×3=     
×9=
×3=    
×8=     
    
 1  
    
    
     
     
    
     
    
    
71-32=
57+28=      14+29=     52-13=     45+16=
62-13=     84-17=     49+15=      74-35=
85-17= 
(9) 
20-7=    18-17=     12-5=
45+6=      67+13= 
58+12=   
13+19=
36+19= 
55-11=   
40-14=   
14+55=
59-27=  
24+29=  
37+14=  
 9×4=
6
 1×5=          2
 3×6=         4
7×9=
2
56-28=   
13-4=   
17+35=  
100-30=
27
47+7=   
 23+18=  
 59+13=  
17+66=
 31-13=   
 71-9=    
14+18=  
 7+11=
 20-15=  
69-15=   
×1=
4
×8=             7
×5=            
×5=
3
16+38=   
27-9=   
 47+13= 
+14=
30
 91-24= 
  91-8=    
 19-4=    
46+19=   
 81-12=    
 91-29=   
 85-17=
  14+3=   
  19-13=   
 28-19=
×6=            3
×3=            1
7×6=
7
×5=         4
 37-19=     
37+15=
(10) 
 11+59=   
-12=      24
 71-34=
第 7 页 
32+16=    
15+37=    
11-5=
68+14=    
 37+12=   
39+15=   
90+9=    
 70-15=   
23+17=    
×7=
6
×3=          3
×7=       7
×5=
5
 55-17=    
38+17=   
27-14=
+57=      28
77-18=    
 56-27=
27+15= 
66+27= 
27+44= 
20-12= 
84-29= 
 19-2= 
67-18= 
45+19= 
×4=
×4=       
×8=      
×5= 
 77+26=
 42-14= 
35+11= 
+11= 
37+14= 
    
   
     
     
    
    
    
    
    
    
55-19=    12-5=     7+26=     16-8=
14+38= 
20-8=     22+6=    25+17=     31-13=
19+12= 
67+14=    24+7=    60-19=     15+19=
19-9= 
19-4=     37+12=    14+25=     34+16=
54+15= 
28+11=  
14+30=  
4+90=
2×2=            5
6×3=            8
2×5=
1
3×3=            4
39+47=
53
66+17=   
7+14=   
37+13=  
24+14=
19-2=   
7+16=   
5+11=   
36+12=
15-12=  
11+19=  
 24+15= 
  6+12=
 50-25=  
×9=          2
×4=
4
×8=          5
×4=          5
-15=
18+35=          73-17=        75
  61-33=
26+6=    
11+5=   
20-2=   
 17-3=
16-8=    
6+34=   
  99+1=  
  12+19=
  19-12= 
  19-7=   
  13-6=   
19-3=   
×4=             3
×9=
2
×4=             5
×6=             7
27+39=  
(11) 
 38-21=   
 7+42=   
45+15=    
 17-11=   
50-18=    
  19-10=
   13+35= 
   46-29=  
  95-5=   
第 8
页 
 7+15=    
 69+9=    
 20-18=
×9=          9
×1=          5
×7=
2
×4=         9
   45-17=   
 20-7=
  10-3=   
 14+17=    
 85-29=
12+16=     
14+46=     
   23-9=   
75-14=   
 13+18=    
 39+9= 
 19-2=
47-38= 
×1=     
×3=    
×6=
×5=   
+19= 
27+66= 
14+26= 
46+4= 
 19-7= 
12+55= 
27+17= 
13+38=
  72-6= 
  13-7= 
10+70= 
  
    
    
    
    
     
    
     
    
    
91-14=     51-25=     18-9=     21-7=
20-7= 
6×1=        6×2=         6×3=
6×4=       9×1=   
3×6=        3×7=
3×8=         3×9=       9×2=    
8×1=
8×2=         8×3=         8×4=       9×3=
6×6=        6
66+18=   
71-27=
91-2=   
10+25=  
2+70=    
55-16=
25+29=   
33-17=   
35+8=   
20-8=
42-14=  
35+16=   
4×6=
4
5×1=         5
7×6=         3
2×5=
3
×7=         6
 81-27=   
 73-15=
2+17=    
100-13=   
12-6=
38+11=   
  13+38=  
  30-7=    
20-7=   
55+11=   
 6+12=  
15-7=
×7=         4
×2=         5
×3=
7
×5=         4
×8=         6
 20-14=
 29+23=   
(12) 
6+36=    
12-3=
 37-9=     
 62-13=   
  51-15=
20-12=   
 19-14=  
 5+13=   
19+11=
2+19=    
×8=         4
×3=
5
×7=         7
×5=         3
第 9 页
×9=       9
33+47=    
  81-15=   
15+17=   
 20-12=  
 24-19=    
 24-6=
  12+59=   
 25-17=    
 71-3=    
19-10=   
13+5=    
56-29=     
×9=
3
×4=        3
×8=        7
×4=
5
×4=      
 45-18= 
28+17= 
 20-9=
6+14= 
57+13= 
 18-5= 
 15-2= 
90-1= 
100-3= 
40+60= 
23+9= 
50+40=
×1=  
×2=       
×9= 
×5=
     
    
     
     
    
    
    
     
     
    
  1
18+19=   19-12=    15-6=     30-11=
10+70= 
91-34=   15+57=     58-19=     71-25=
60-18= 
(13) 
12+38=    17-14=     60+11=
20-15=     12+39= 
22+19=  
3+91=
25+17= 
14+57= 
52-17=   
35+6=
38
5+9=   
3+17=           10
15+28=
4×1=        4
6×6=        6
2×6=
2
7×1=        9
20-8=  
24+48= 
70-3=
33-7=    
 51-13=   
25+14=  
 36+26=
  90-3=   
   12-6=   
+11=      6
13+3= 
+7=      20
  20-7=  
×2=
4
×7=         6
×7=         2
×5=
7
59+12=  
 26+17=  
27+14=  
  22-5=
 24+16=    
 12+39=  
  1+89=   
32-8=   
  37+19=   
+13=       14
1+15=   
-2=         25
 93-25=   
×4=
7
×1=          6
×8=          2
×3=
7
58+13=    
  90-15=   
(14) 
 20-9=
  60-14=    
第 10 页 
18-13=    
23-4=   
 18+55=   
 20-4=   
  54-28=
+26=     81
 12+5=   
+17=
90
17-13=   
×5=         8
×2=
6
×9=         6
×4=         6
91-16=
13+59=   
81-5=    
71-24=    
20-17=
 75-8= 
 53-7= 
46+14= 
 35-18=
-25= 
 2+6= 
-11= 
 10-3= 
×5=
×3=        
×8=   
×9=        
40-16=
43-29= 
10+50= 
10+37= 
    
    
    
    
    
      
     
      
    
20-5=
2+79=      15-3=     48+16=     45-18= 
18-3=
33+19=      15+46=      12+30=     17-12=
3+14=    17-8=      71-10=      13-5=
13+77= 
14-5=  87+5=    50-14=    46-15=
48+13= 
34-9=     
10+50=     
10+35=
10+90=   
9×1=         6
8×6=
6×5=        7
4×6=        7
36+13=
40-13=    
13+17=  
20-13=   
51-2=
40+14=    
70+12=   
56-19=  
83-50=
16-3=    
11-8=     
39+13=  
19-11=
×4=         9
 4×7=  
      8
×5=
8
×3=        4
17+28=  
50-11=
18-9=  
70-11=   
15-7=    
51-14=
6+13=  
 31-6=  
 13+77=  
12+80=
47+33=      
15+19=    
13-6=
×2=        9
×8=        8
×5=
9
×8=       4
  81-25=   
80-41=
(15) 
 55+13=  
 91-12=   
38+11=
 32+9=     
  10+60=  
  47+16=
14-5=   
第 11 页 
41+17=     
28+13=
51-23=    
91-25=    
×3=
9
×9=          
×5=         7
×9=
7
 13+80=    
23+68=     
40-12=
82-17=    
16+19=    
20+70=     
62-15=   
  37-8=  
 87+5=    
20-12=
50-13= 
58-19= 
19-12= 
×4= 
7×1=
×2=    
×4= 
 36-29= 
48+34= 
31-8= 
19-11= 
 40-13= 
62-14= 
 16-7=
 13-5= 
 5+14= 
    
 
    
 
    
    
  
    
    
    
    
   
16-5=     18-5=
4+9=      16-3=     5+13= 
12+8=     1+70=
18+5=     11+28=    27+13= 
8+30=    51-23=
10+30=     19+13=      32-19= 
5×1=
5×2=         5×3=       5×4=        5×3=
5×4=         8
5×6=         7
9×6=
9
51-19=   
13-6=    
18-7=    
26+8=
63
13+5=    
20-12=   
2+59=   
3+11=
25+7=        19
6+61=    
17-10=
16-5=    
3×6=         8
8×1=
8
×6=         8
×7=         9
×7=
9
 11+38=  
81-33=  
7+22=   
-7=
47
18-9=   
17-13=   
18-7=   
 60+9=
-10=        
16-8=   
 53-5=   
18-5=   
×6=       3
×2=       8
×7=
8
×9=       5
×8=       9
  100-11=  
19+55=    
(16) 
 80+11=    
+6=  
16
 25+14=   
  20-10=  
 91-12=
42-14=    
68-32=        84
 11+69=
13+57=    
54+19=     
×7=
3
×3=          8
第 12 页 
×8=
8
×8=       5
×9=       2
  91-15= 
68+13=   
 29+11=  
-9=     19
 58+13=
 57+11=   
 15-8=    
11+19=   
+7=
49
40+16=   
24-15=   
36-18=    
×8=
3
×4=       2
×9=  
×9= 
×7= 
58-9= 
 71-25= 
  11-2= 
-10= 
34+19=
 19-2= 
51-5= 
 13-7= 
-18=    
31-23= 
 8+15= 
58+13= 
×9= 
×9= 
   
1   
    
    
   
    
    
    
6×6=         8×7=
6×7=          6×8=       6×9= 
9×1=
8×8=       9×2=          9×3=       9×4=
52-8=  
83+17=  54-25=  16+60=   
51-8=
28+34=      51-33=     100-35=     39+36=
52-19= 
11+6=   
2+11=         
17-5=
14-7=   
35-7=  
5+14=   
7+3=
2+9=    
6+9=          4
19-10=
7×1=         6
5×6=         9
9×6=
8
6×7=          5
61-25=  
16+45=
28
8+5=   
55-6=         6
4+12=
16-4=  
 4+28= 
8+1=   
20-10=
18-7=  
+14=        
37+15= 
×5=
7
×5=        5
×5=        9
×9=
7
39+26=  
+14=     57-38
(17) 
17+2=     5+11=  
+29=       72-5=
37
  19-7=     19-9=  
  4+7=      16-9=
  76-4= 
  18-9=   
  5+13=     20-12=
  7+11=     19-12= 
  15-2=     3+11=
27-9=       8+43=       41
  29-20=
7+85=  
×2=         7×3=       7
×7=
5×8=       7
×7=         9×8=       9
×5=
4×5=       8
 13+29=     80-12=   
=
46+54=        100
第 13 页 
  8+10=
+8=
 
  4+11= 
 19-10= 
 14-5=
  10+5= 
  10+3= 
  6+13= 
-12=
  16-7= 
×4= 
×9= 
×9= 
×6= 
82+12= 
-68= 
    
    
    
 
    
    
    
  
  
(18) 
77-40=     69+8=     45-9=
   21-3=     70+10= 
16+23=     
50-16=
25+5=      63-50=  
  27+18= 
16+26=
38+5=       90-1=      37+14=     46-29=
14+27=       52-16=          48
9+10=
17-10=  
3+16=        19
16+4=
6+30=  
8+3=    
6×6=       6
9×2=
7
7×2=       7
8×6=       8
 
74+18=
51-24=  
7+48=   
12-3=   
6+8=
56+6=   
54+14=      40
 11-3=
-4=      
 15-8=   
  30+6=   
 10+8=
×7=         6
×6=         9
×3=
7
×7=         8
 16-5=    
  11+80=
80-1=     
 16+3=    
 13-5=    
38+5=   
+13=         12
-17=
24
14-5=   
68-32=      84
 18+2=  
14-5=   
14-7=    
×8=         7
×3=
9
×4=         5
×8=         7
73+14=
  9+65=  
(19) 
2+12=   
10-3=
16+10=   
  90-1=  
第 14 页 
-5=
70-4= 
+36=    
 50+14=   
+7=
49
  18-11=   
 13-6=    
27+15=
×3=        6
×4=        7
×3=
7
×7=        8
  93-19=    
  83-27=
40+4=     
 18-4=    
  16+2=    
3+14=   
  9+9= 
 11-2= 
-18=      
6+6= 
11+8= 
46-28= 
×9= 
×5= 
×8=
×9= 
 17-8= 
 80-1= 
19+11=
23+17= 
27+38= 
 61-2= 
    
    
     
      
    
     
    
    
83+17=    54-5=
16+60=   
 12-5=     7+4= 
80+14=    77-9=
18+21=  
  18+27=    29+9= 
17-10=    11-3=
14-5=     5+14=     11-2= 
3+16=     19-4=
14+3=     31-15=     67+6= 
16+4=  
6+35=
2×5=       6
5×6=       6
9×6=
9
6×5=       7
8+33=  
57+18= 
18-4=
4+40=  
19-17= 
6+8=   
6+6=
28
14+2=       27
3+16=  
16+4= 
6+3=
  15-8=   
   10+6=   
×1=
3
×2=        5
×7=       6
×5=
6
100-18=    
  61-24=   
   19+11= 
12-3=  
   18-2=  
  13-5=   
+15=
19
+16=         
  19-4=  
  15-8=  
10+6=   
 18+23=   
 14+56=   
×5=
4
×7=        5
×3=         9
×4=
8
44-17=    
37+44=    
(20) 
  18-12=
 61-35=   
  100-30=  
 69+11=
-13=      38
48+9=       50
  14+3=
  18+2=  
 14+25=   
第 15 页 
 18-9=
 13-10=   
×5=       5
×8=
5
×8=       9
×5=       9
23+17=
59+19=    
29+12=   
 20-12=  
 18-4=
  16+2= 
+14=     16
-3=       26
11-2=  
  18-1=  
  13-4=  
 56+16= 
11+89= 
×5= 
×9= 
×9= 
×5=      
27+19= 
 75-18= 
 26+47= 
  6+12= 
35+17= 
  67-28= 
-12= 
+25=   
7+66= 
  26+6= 
  11+8= 
    
    
    
    
    
    
    
    
   
8+23=      10+80=
14-7=    26+25=      49-26= 
8×1=         7×6=
8×2=       8×3=       8×4= 
6×6=         6×7=
7×9=       6×8=       6×9= 
9×1=         7×7=
9×2=       9×3=       9×4= 
8×6=
8
90+10=  
17-9=   
19-2=   
15-2=
8+11=   
15+3=   
23+8=   
16-4=
20-2=  
4+4=    
2+16=        17
6+6=
19
6×9=        1
4×9=         3
7×2=
8
2×6=        2
×7=       8
  11+7=
51-3=     
 9+8=     
 20-7=    
5+11=    
 1+29=    
  15+24=   
 15+5=
  7+10=   
 20-6=    
-2=
-4=         8
×2=        4
×3=
6
×5=         9
×9=        5
×8=
7
 13-5=   
14-5=   
(21) 
20-4=
18-7=   
18-5=   
6+11=   
 13+6=
12-3=   
 5+6=   
17-6=   
37-9=
6
+10=          6
×3=        6
×6=
4
×7=         3
×6=        4
第 16 页
×8=       8
 18+17=  
 58+14=  
12+2=  
 100-1= 
 5+8=   
 12+5=  
15+4= 
 13+7=  
  20-9= 
 19-1=  
+43=
43
+9=          5
×7=        5
×8=
6
×8=         6
×5=        8
×9=    
59+19= 
  73-5= 
  9+11= 
   5+6= 
14+2= 
  16-1= 
  1+19= 
  12+2= 
8+6= 
  17-4= 
-11=      
+9= 
×5=
×4= 
×8= 
×4= 
    
    
    
    
    
     
    
    
69+13=     11+7=    13+3=
8+28=      13-5= 
28+19=      25+27=
11+79=     39-12=     80+20= 
(22) 
36+16=
9+11=     10+10=    4+60=      15+5= 
20-4=
18-7=    
5+8=    
12+5=    
18-5=
13+7=   
12-3=    
19-11=  
57-26=
9×6=         9
4×6=         6
8×1=
2
3×4=        6
36+9=   
8+15=
16-4=   
10+10=  
 12+2=   
100-10=
15+3=    
13+8=    
 31+19=  
 70-12=
20-9=    
32+16=   
35+15=     49
×8=
7
×5=         3
×2=         3
×7=
8
16+13=   
76+18=    
14+4=   
 4+6=
 15-2=   
  8+11=  
17+14=   
 58+4=
 16-4=   
 17+10=  
 46+4=   
17-5=
-30=     7
×7=          5
×7=
3
×3=         6
×8=        7
 11+27=
97-30=   
(23) 
13-5=   
 20-4=
第 17 页 
 20-7=   
 54+11=   
 6+11=
 33+6=    
 15+5=   
  5+6=    
20-6=    
100-3=    
+46=  
    80
×6=
8
×8=        5
×3=        7
×9=
9
 13+3=    
  65+8=   
 9+11=    
12+2=   
10-3= 
 18-5= 
14+35= 
 16-4=
12-3= 
 20-9= 
17-26= 
49-22=
+10= 
×7=  
×9= 
×4= 
×9=
18+28= 
 45-7=    
15-2= 
9+11= 
     
     
     
     
    
     
    
  
  
 
     
15-2=     20-7=     18-7=     10-1=
5+6= 
8+11=     5+11=     5+8=      15+3=
20+14= 
6+11=     12+5=     3+8=      5+4=
3+6= 
5+13=     16-5=     18-4=     4+8=
16-12= 
1+60=    
8+2=    
10+3=
15-1=   
5×7=       4
4×6=
7
6×3=       7
6×5=      3
33+16=
47
48+9=       50
12+2=        18
10+1=
7
19-7=        15
13+7=        6
11+3=
15
20-4=        9
18-7=        18
 10+5=
1+19=  
18-6=  
15-4=  
×7=
5
×7=         3
×5=         8
×2=
9
+13=      
-3=       26
-2=
14
+8=        
-6=       
+13=
14
-2=       10
+11=       
-4=
11
   7+13=     11+7=     11+3= 
  7+10=
19-11=    10+2= 
  5+30=      13-2=     18-2=
  4+9=      6+8=      10+1= 
×4=
4×9=        9×9= 
×8=         5×6=        6×9=
×7=         9×7=        5×4= 
×6=
8×4=       3×9=   
20-14=        97-19=
28+22=     
+25=   
    4+11=     19-7=
(24) 
+5=        6+9=          6+8=
54+26=      40-27=       44+36=     
35-7=
4+28=        76-4=  
+4=        6+66=
13+6= 
+2=        3+8=          12+2=
56+17=      51-8=        26+60=   
+5=
5+13=         16-4= 
第 18 页 
  
   
   
16-5=        4+8=
68-32=      84+7=        49-18=   
7+13=
11+7=       
83+17=      54-5=        16+60=
19-11=       10+3=       
70+14=      77-9=
18+21=    
3×6=        5×7=         5×9=
6×6=        8×3=  
2×4=        9
5×6=
8
7×5=        3
23-8=        65
16+28=
13
6+9=        18
16-4=        16
51-13=
28
54+14=      40
19-17=       15
6+13=
15-8=        10
9+11=        16
18-17=
28
12+5=        20
2×9=          5
8×4=
4
×7=         5
×9=         6
×2=
4
-11=        
+36=        48-13=
12
+14=       15
-2=        10
-9=
14
-17=      24
-6=        71
77-40=
69
+2=        33
+9=        67
-4=
11
-11=        17
×6=            2
×9=
7
×2=         5
×7=         6
×4=
5
68-32=       84
(25) 
+4=
37
+5=        7
+5=        48
+36=
-2=        13
+8=       45
+18=
20
+21=       25
+55=       30
-7=
51
×6=          3
×1=          5
第 19
页
×8=        4
×8=        7
×3=
5
+7=       49
+48=        18
+11=
5
+18=         19
+36=        26
+37=
23
+37=        15
-19=   
-14=
45
+11=         13
+13=         11
-5=
13
×9=           6
×3=           4
×9=
×9= 
×4= 
-18=  
+19= 
+13=
-11= 
+19= 
+11= 
+47= 
+2=
-16= 
+27= 
+4= 
-6= 
×8=  
×6=
 13
     18
 
4×7=
6×5=            4×8=          3×8=           9×4=
6×1=          2×2=            6×9=
3×4=           3×7=   
34-8=        13+15=
41-2=       19-13=        35+14= 
20-13=
14-6=         11-2=         2+11=        9+7=
48+19=
3+9=  
5+6=  
12+3= 
16-4=
19-9= 
17-2= 
12+8= 
18-9= 
11+3=
2×5=           7
4×4=           5
2×8=
7
4×4=           2
54+11=       12
41-14=
3
14-6= 
 50-3= 
21+19=
 5+15= 
18+1= 
 5+14= 
 16-2= 
 10+5= 
20+6=
 14+6= 
 3+13= 
×8=
5
×6=            7
×8=            8
×9=
5
+58=          20
+15=          41
2+11=
(26) 
  26+25=
 2+7=   
7+13=
15-1=  
 9+7=  
20-7=  
19+1=  
17-4= 
 7+11= 
11+2=  
×4=
5
×4=            9
×3=            3
×7=
9
-11=        27
-24=        91
(27)
1+9=   
第 20 页 
  17-16=
 11+7=  
20-9=  
 11+4=  
 4+10= 
 3+11=  
14+5=  
  10+7= 
  6+13= 
 19-7=  
×7=
2
×5=           6
×4=           3
×9=
3
-7=        55
-11=        56
9+25=
12+6= 
11+2= 
19-7= 
5+11= 
 2+9=
5+13= 
14-4= 
 9+3= 
 3+9= 
12+3=
×6=     
×4=     
×6=     
×5=
-50= 
+14= 
17-2= 
         
             
            
            
            
             
            
      1     
8+25=      16-7=
89+11=      12+7=     19+1= 
5+9=      17-6=
3+9=      1+19=     2+7= 
11+7=     5+6=
5+15=     7+13=     12+7= 
20-9=     12+3=
18+1=     15-11=     11+4= 
16-4=    
14+10=
3+11=    
2+8=     
18-9=    
 9×4=
6
 4×5=          2
 3×6=         4
9×9=
2
11+33=    
99-7=    
12+7=
14
26+14=       67
9+5=     
12+7=
3+9=        1
73+13=         20
16-4=
51
51-5=   
91-9=   
17-2=   
12+6=
 4+6=    
×7=             4
×8=
7
×5=            
×5=          3
27+17=
11+45=    
-7=        13
-45=
97
 8+25=    
14+5=   
+19=
11
-9=        12
-15=        5
 5+14=
 16-8=   
 10+5=   
  17-4=  
 7+11=
×6=            3
×3=            3
5×6=
7
×5=         4
 40+13=    
53+19=
(28) 
-2=         4
+3=        17
16-7=    
 5+91=   
+7=      55
+34=
18
+14=        22
第 21 页 
 9+7=     
20-7=    
 19+1=    
  10+7=   
 6+13=
×7=          6
×3=          3
×7=
7
×9=       5
14+28=    
12+58=
+24=          2
-9=          31
19+11=
 17-6=    
+16=      85
+21=
15
+11=         9
12+5= 
11+5= 
14+5=
 9+3= 
 3+9= 
×9=     
×4=
×8=      
×5= 
45+13= 
61-14=
+11= 
-2= 
 4+28= 
13+6= 
+15=
-12= 
+7= 
    
    
    
   
    
    
    
4+10=         
48-20=        37+9=
      20-7=         11+5= 
3+11=     17-12=
10+5=     13+4=     13+3= 
13+6=
75+5=        85-27=       
15+4=
17+3=      
 9×4=          6×7=
4×6=            3×7=          6×8=     
 1×5=
2×8=             7×3=            2×3=
3×4=       
 4×6=        4
7×9=
2
68-14=         48
20-13=   
12+19=
13+57=   
20-12=      18
12+4=
17-7=   
17-13=  
17-2=    
13+3=
5
2+17=    
15+54=   
2×7=
5
6×3=            8
2×8=
5
3×6=            4
×5=          7
×5=
3
-27=        18
 13-6=   
 20-10=  
16+9=   
+13=        5
18-15=   
 35+4=
10+3=   
5+9=      
+7=
35
6+11=    
 12+35=   
×9=
4
×4=          4
×8=          5
×5=
6
×6=        7
×6=          4
-3=
42
 23+17=    
(29) 
 15+3=    
35+14=  
+12=      30
 14+16=   
  17-5=
 16+7=    
11-4=      
-7=
4
3+49=     
 29-13=    
×4=
3
×9=             2
×4=             5
×6=
7
第 22 页 
×7=       7
×9=
5
+40=        68
20-5=    
1+15=   
32+7=   
+57=      15
28+12=   
 18-10=
 19-5=  
25+5=     
+28=
76
21+19=    
 20-19=   
×9=
9
×5=          5
×7=          2
×8=
9
×8=      
×5= 
-32= 
29+11= 
6+11= 
 7+19= 
+6= 
 19-1= 
 20-8=
 2+5= 
12+35= 
-14= 
20-12= 
3+14= 
×9=     
×3=    
×6=     
×7=
    
    
     
     
    
    
  1  
    
20-7=
30-18=     22+50=      17-2=     11-4= 
12+25=
13+34=     13+16=     18-9=     15+24= 
(30)
12+21=     15+4=     16+12=     100-20=
81+11= 
12+70=   
7+4=     
13+5=
20-12=   
12+48=   
17-7=    
71-3=
17-13=   
13+3=    
6×9=
6
5×6=        7
8×9=        8
6×6=
3
28+17=    
33-9=     
 18-6=
14+37=   
6+19=     
10+13=   
8-12=
30+4=    
10+3=   
 5+9=    
50+7=
×8=         3
×7=         3
×8=
7
×6=         6
82+11=   
81+19=   
20-10=   
 15+3=    
50+4=     
 5+12=
 13+6=   
 17-14=   
 6+7=    
 11-4=
 9+11=   
×3=         2
×9=
5
×3=         6
×8=         2
 14+19=
 
 
 15+50=  
 
第 23 页 
18-5=
15+15=    
30+17=    
3+50=     
8+12=    
 18-10=   
 19-5=    
5+50=
 6+14=    
×4=       3
×9=
9
×7=       5
×9=       4
65+11=    
12+7=   
4+80= 
6+11= 
 1+19= 
15+45=
5+70= 
20-8= 
20+5= 
12+6= 
12+7=
×7=   
×9=    
×5=     
×4=
13+58= 
 31-8= 
   1
    
    
1   
    
    
    
    
    
 
第 24 页